getCqItanalSummary {conquestr}

getCqItanalSummary

Description

returns an itanal as a data frame in summary format: one row per generalised item with:

• item label

• valid N

• facility (see conquestr::getCqItanalFacility)

• item-rest correlation

• item-total correlation

• fit (infit/weighted MNSQ) if available

• item locations (deltas)

Usage

getCqItanalSummary(itan)

Arguments

itan

A list of class "cqItanal" created by conquestr::getCqItanal()

Value

A data frame.

Examples

mySys <- ConQuestSys()
myItan <- getCqItanal(mySys)
getCqItanalSummary(myItan)